Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thanh dam » thanh dat, thanh nam, thanh tam
van nham » van nam, van nhan, van tham
hanh dao » lanh dao, thanh dat, doanh dao
vu khach » vu khanh, vu khac, vay khach
nang tai » hang tai, tang tai, sang tai
hieu van » hieu va, thien van, lieu va
vu sach » vu bach, su sach
thuc va » thuc vat, thuc dan, thuc day
tai hoi » tai khoi, dai hoi, tai hai
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) OR (vu khach)) ky nang tai hoi. hieu van nham thuc va ((hanh dao) or (thanh dam)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu khach)) ky nang tai hoi. hieu van nham thuc va ((hanh dao) OR (thanh dam)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (vu khach)) ky nang tai hoi. hieu van nham thuc va ((hanh dao) or (thanh dam)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (vu khach)) ky nang tai hoi. hieu van nham thuc va ((hanh dao) or (thanh dam)) cua te*.