Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
van cam » van nam, van lam, van cau
cam luc » cam xuc, cau luc
hai cau » hai chau, hai chu, hai hau
luc va » duc va, tuc va, loc va
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: ((te sach) or (thu hoach)) ky nang x hoi. hieu van cam luc va thanh hai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu hoach)) ky nang x hoi. hieu van cam luc va thanh hai cau tren.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky nang x hoi. hieu van cam luc va thanh hai cau tren*.