Perhaps you should try some spelling variations:
vu khach » vu khac, vay khach, cua khach
vu khanh » vu thanh, van khanh, duy khanh
thu nang » thi nang, thu hang, thu bang
cham tuc » nham thuc, pham thuc, tham thuc
hanh lai » hanh lam, hanh tai, thanh lap
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
tuc va » thuc va, truc va, tuc xa
x hoi » xa hoi, o hoi, x ho

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) or (vu khanh)) thu nang x hoi. hieu va cham tuc va hanh lai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu khach) OR (vu khanh)) thu nang x hoi. hieu va cham tuc va hanh lai cua vat.
• Adding a wildcard symbol may retrieve word variants: ((vu khach) or (vu khanh)) thu nang x hoi. hieu va cham tuc va hanh lai cua vat*.