Perhaps you should try some spelling variations:
thanh va » thanh van, thanh ha, thanh ve
cua tre » cua te, cuu tre, cua triet
tuc gia » tac gia, duc gia, toc gia
nang xa » nang x, lang xa, mang xa
hanh va » hang va, hanh vi
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((nang xa) or (nang ma)) hoi. hieu ve cam tuc gia ((thanh va) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (nang ma)) hoi. hieu ve cam tuc gia ((thanh va) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (nang ma)) hoi. hieu ve cam tuc gia ((thanh va) or (hanh va)) cua tre*.