Perhaps you should try some spelling variations:
time sampling » timss sampling, same sampling, time stamping
sampling data » sample data
dong hoang » hong hong
dong bin » dong sin, dong di
hua reit » hua wei, hua ren
law time » law tim, how time, new time
a reit » a rein, a relict

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong bin) or (dann bin))) or (dong hoang)) ya ((hua reit) or (a reit)) law time sampling data ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong bin) OR (dann bin))) OR (dong hoang)) ya ((hua reit) OR (a reit)) law time sampling data ;.
• Adding a wildcard symbol may retrieve word variants: ((((dong bin) or (dann bin))) or (dong hoang)) ya ((hua reit) or (a reit)) law time sampling data ;*.