Perhaps you should try some spelling variations:
chau triet » cau triet, cau trieu, chau tuyet
cua triet » cua viet, su triet, va triet
danh lai » danh sai, gianh lai, dinh lam
hieu van » hieu va, thien van, lieu va
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van ha, van hai
hac xuc » chat xuc
va danh » va dinh, va dan, va hanh
vu sach » vu bach, vu khach
su sach » so sach
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (vu sach)) ty nang xa hoi. hieu van hac xuc va danh lai ((chau triet) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ty nang xa hoi. hieu van hac xuc va danh lai ((chau triet) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ty nang xa hoi. hieu van hac xuc va danh lai ((chau triet) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ty nang xa hoi. hieu van hac xuc va danh lai ((chau triet) or (cua triet))*.