Perhaps you should try some spelling variations:
thien van » thi van
nang doc » nang luc
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
cau tren » cu tren, dau tren, ca tren
doc hoc » duoc hoc, toc hoc, duc hoc
xuc van » duc van, luc van, vuc van
hanh va » hang va, hanh vi
sac ky » cac ky, sai ky
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach y) or (sac ky)) nang doc hoc. thien van cham xuc van hanh va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach y) OR (sac ky)) nang doc hoc. thien van cham xuc van hanh va cau tren.
• Adding a wildcard symbol may retrieve word variants: thu ((sach y) or (sac ky)) nang doc hoc. thien van cham xuc van hanh va cau tren*.