Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
van vat » van chat, nhan vat
tuc va » thuc va, truc va, tuc xa
vat su » vat tu, dat su, sat su

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 (su sach)) ky nang xa hoi. hieu va cac tuc va van vat su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. hieu va cac tuc va van vat su triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang xa hoi. hieu va cac tuc va van vat su triet*.