Perhaps you should try some spelling variations:
cham luoc » cham soc, khai luoc, kham cuoc
dan khanh » dang khanh, van khanh, dat khanh
dan hanh » dang hanh, dan thanh, ban hanh
vu khach » vu khanh, vu khac, vay khach
va cham » va chat, va tham
nang ma » tang ma, sang ma, nang cao
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua su

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 y ((nang x) or (nang ma)) hoi. lieu va cham luoc ((dan hanh) or (dan khanh)) vi cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach y ((nang x) OR (nang ma)) hoi. lieu va cham luoc ((dan hanh) OR (dan khanh)) vi cua cu.
• Adding a wildcard symbol may retrieve word variants: vu khach y ((nang x) or (nang ma)) hoi. lieu va cham luoc ((dan hanh) or (dan khanh)) vi cua cu*.