Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
han thai » han tai, ban thai, van thai
thai va » thai van
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
tu sach » thu sach, su sach, tu cach
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
te sach » toc sach
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) ty nang xa hoi. hieu van cau xuc va han thai va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ty nang xa hoi. hieu van cau xuc va han thai va (thiet OR thieu).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ty nang xa hoi. hieu van cau xuc va han thai va (thiet or thieu)*.