Perhaps you should try some spelling variations:
things usigng » things using, things design, things during
usigng dong » using long
yong liang » yang liang, song ligang, you liang
wang liang » wang yang
wei last » der last, few last, i last
few case » few cases, new case, new cases
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yong liang) or (wang liang)) ((wei last) or (few case)) things usigng dong sin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yong liang) OR (wang liang)) ((wei last) OR (few case)) things usigng dong sin ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yong liang) or (wang liang)) ((wei last) or (few case)) things usigng dong sin ;*.