Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
thanh oi » thanh loi, thanh moi, thanh oai
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
te sac » te cac, te san
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, duc va
oi su » ki su, vi su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te sach)) ky nang xa hoi. hieu ve cam ((tuc va) or (tuc xa)) thanh oi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky nang xa hoi. hieu ve cam ((tuc va) OR (tuc xa)) thanh oi su triet.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky nang xa hoi. hieu ve cam ((tuc va) or (tuc xa)) thanh oi su triet*.