Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
nang xa » lang xa, nang ma, mang xa
hai cau » hai chau, hai chu, hai hau
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((nang xa) or (nang x)) hoi. hieu ve cac xuc ((gia thanh) or (va danh)) hai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang xa) OR (nang x)) hoi. hieu ve cac xuc ((gia thanh) OR (va danh)) hai cau tren.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((nang xa) or (nang x)) hoi. hieu ve cac xuc ((gia thanh) or (va danh)) hai cau tren*.