Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
vu khach » vu khanh, vu khac, vay khach
nang doc » nang luc
va thanh » gia thanh, ban thanh, va tinh
doc hoi » duoc hoi, hoc hoi, doc hai
hieu va » hieu qua
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
cam tu » cam thu, nam tu, dam 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 bach) or (vu khach)) ky nang doc hoi. ((hieu va) OR (lieu va)) cam tu va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu bach) OR (vu khach)) ky nang doc hoi. ((hieu va) OR (lieu va)) cam tu va thanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu bach) or (vu khach)) ky nang doc hoi. ((hieu va) OR (lieu va)) cam tu va thanh vai cua tre*".