Perhaps you should try some spelling variations:
thanh ky » hanh ky, than ky, thanh tay
chua tre » chua tri, cua tre, chua trieu
lanh ky » hanh ky, nganh ky, lanh lay
nang xa » nang x, lang xa, nang ma
va hang » van hang, va nang, va lang
va chua » vua chua, ca chua, va chu
ve dao » de dao, ve bao, te dao
va dao » ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ((ve dao) or (va dao)) duc va hang va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ((ve dao) OR (va dao)) duc va hang va chua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ((ve dao) or (va dao)) duc va hang va chua tre".
• Adding a wildcard symbol may retrieve word variants: thuat ((lanh ky) OR (thanh ky)) nang xa hoi. hieu ((ve dao) or (va dao)) duc va hang va chua tre*.