Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hop chat » hop chi
hoa chat » hoa phan
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cao suc » cao su, cao duc
suc ban » suc ben, duc ban, cuc ban
te sac » te cac, te san
ma hoi » mai hoi, xa hoi, ma hoa
ve cao » va cao, ve bao, ve cac

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: ((te sac) OR (te sach)) ky nang ma hoi. hieu ve cao suc ban thanh ((hoa chat) OR (hop chat)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) or (te sach)) ky nang ma hoi. hieu ve cao suc ban thanh ((hoa chat) OR (hop chat)) triet~".
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky nang ma hoi. hieu ve cao suc ban thanh ((hoa chat) OR (hop chat)) triet*.