Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
dinh va » dinh ve, tinh va, sinh va
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
cam tu » cam thu, nam tu, dam tu

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 ky nang xa hoi. hieu ve cam tu va ((dinh va) OR (dinh van)) su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang xa hoi. hieu ve cam tu va ((dinh va) OR (dinh van)) su triet".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang xa hoi. hieu ve cam tu va ((dinh va) OR (dinh van)) su triet*.