Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham luc » cham soc, nhan luc, cham cuu
van hanh » van thanh, ban hanh, van anh
vu khac » vu kham, vu khanh, bui khac
nang xa » nang x, lang xa, mang xa
hanh di » hanh vi, hanh de, hang di
nang ma » tang ma, sang ma, nang cao
luc van » luoc van, luu van, duc van
va cham » va chat, va tham
di cua » dai cua, doi cua, de cua

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

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