Perhaps you should try some spelling variations:
thien van » thi van
hanh dai » hanh tai, hanh dao, vanh dai
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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 ((lang xa) or (nang ma)) hoi. thien van cam duc va hanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((lang xa) OR (nang ma)) hoi. thien van cam duc va hanh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang xa) or (nang ma)) hoi. thien van cam duc va hanh dai cua tu*.