Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
thanh va » thanh van, thanh ha, thanh ve
lanh ky » hanh ky, nganh ky, thanh ky
hieu ve » hieu va, hieu van
cao suc » cao su, cao duc
suc van » su van, duc van, luc van
hanh va » hang va, hanh vi
ve cao » va cao, ve bao, ve cac
cua te » cua tu
x hoi » xa hoi, o hoi, 5 hoi

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 nang ((x hoi) OR (x ho)). hieu ve cao suc van ((thanh va) or (hanh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ky nang ((x hoi) OR (x ho)). hieu ve cao suc van ((thanh va) OR (hanh va)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ky nang ((x hoi) OR (x ho)). hieu ve cao suc van ((thanh va) or (hanh va)) cua te".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ky nang ((x hoi) OR (x ho)). hieu ve cao suc van ((thanh va) or (hanh va)) cua te*.