Perhaps you should try some spelling variations:
thanh hoi » thanh hoai, thanh hoa, thanh hai
van thanh » ban thanh, van tuan
vu khach » vu khanh, vu khac, vay khach
tru nang » tra nang, tri nang, truc nano
hieu van » hieu va, thien van, lieu va
duc van » duc va, duc tan, duc manh
van lam » van nam
lam duc » lam duoc, pham duc, nam duoc
tu nang » tu nong, tu nano, tu lang
cua tre » cuu tre, cua triet, dua tren
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 khach ((tu nang) OR (tru nang)) xa hoi. hieu van lam duc van thanh hoi ((cua te) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ((tu nang) OR (tru nang)) xa hoi. hieu van lam duc van thanh hoi ((cua te) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ((tu nang) OR (tru nang)) xa hoi. hieu van lam duc van thanh hoi ((cua te) or (cua tre))".
• Adding a wildcard symbol may retrieve word variants: vu khach ((tu nang) OR (tru nang)) xa hoi. hieu van lam duc van thanh hoi ((cua te) or (cua tre))*.