Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
truc ban » thuc ban, truc dan, truc van
thanh vi » hanh vi, thanh va, thanh ve
cua viet » ca viet, hoa viet, cua vat
sanh ly » sinh ly, doanh ly, khanh ly
ly nang » ky nang, ly hang, ly vang
cao hoi » cau hoi, co hoi, cao hoc
ve cham » va cham, ve chat, vu cham
ve cam » ve cac, va cam, ve cai
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: do sanh ly nang cao hoi. hieu ((ve cam) or (ve cham)) truc ban thanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: do sanh ly nang cao hoi. hieu ((ve cam) OR (ve cham)) truc ban thanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: do sanh ly nang cao hoi. hieu ((ve cam) or (ve cham)) truc ban thanh vi cua viet*.