Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
cac xuc » cac nuoc, chat xuc, cac cuoc
nang ma » tang ma, sang ma, nang cao
dao su » dao suu, dan su, cao su
vu van » tu van
va dao » ca dao
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu van ky nang ma hoi. hieu van ((cac xuc) or (cam xuc)) va dao su ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu van ky nang ma hoi. hieu van ((cac xuc) OR (cam xuc)) va dao su ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: vu van ky nang ma hoi. hieu van ((cac xuc) or (cam xuc)) va dao su ((cua tre) or (cuu tre))*.