Perhaps you should try some spelling variations:
thang long » change long
yang guang » yang yang, yang liang
one thang » one thing, one things
yan guan » gan guan, yan yuan, yihan guan
gene one » gene clone, gene gene, gene we
long sam » wong sam, long span, long arm
1 gene » 11 gene, a1 gene, l1 gene
man 1 » man 11, man 21, mann 1

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang guang) OR (yan guan)) man 1 gene one thang long sam ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang guang) or (yan guan)) man 1 gene one thang long sam ;*.