Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tru nang » tra nang, tri nang, truc nano
dung hai » dung tai, dung ha, dung sai
va triet » va thiet, va trien, ve triet
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
hac xuc » chat xuc
va dung » van dung, va duong, vat dung
va hac » van hac, va khac, va cac
xuc va » duc va, tuc va, luc va
hai va » hai van, thai va, hoi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (thu sach)) tru nang xa hoi. lieu va hac xuc va dung hai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) tru nang xa hoi. lieu va hac xuc va dung hai va triet.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) tru nang xa hoi. lieu va hac xuc va dung hai va triet*.