Perhaps you should try some spelling variations:
rac tren » ran tren, tac tren, sach tren
cham xuc » cam xuc, chat xuc, cham soc
cac tren » ca tren, cau tren, tac tren
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
van anh » van thanh, tuan anh, van minh
thu sac » thu sach, thu san, thu xac
sac ky » cac ky, sai ky
anh va » hanh va
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky nang o hoi. ((hieu ve) or (hieu qua)) cham xuc van anh va ((cac tren) or (rac tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang o hoi. ((hieu ve) OR (hieu qua)) cham xuc van anh va ((cac tren) OR (rac tren)).
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang o hoi. ((hieu ve) or (hieu qua)) cham xuc van anh va ((cac tren) or (rac tren))*.