Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
vu khach » vu khanh, vu khac, vay khach
khach ty » sach ty
tham luc » than luc, tham nuoc, tham thuc
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
va tham » van tham, va cham, va thanh
luc van » luoc van, luu van, duc van

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ty ((nang xa) or (nang ma)) hoi. lieu va tham luc van hanh lai chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ty ((nang xa) OR (nang ma)) hoi. lieu va tham luc van hanh lai chau triet.
• Adding a wildcard symbol may retrieve word variants: vu khach ty ((nang xa) or (nang ma)) hoi. lieu va tham luc van hanh lai chau triet*.