Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
han thai » han tai, ban thai, van thai
cham duc » pham duc, pham duy, phan duc
thai su » thai xu, tai su, thap su
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va han » va phan, van han, va hanh
tu san » thu san, tu ban, tu can
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cac) or (tu san)) ky nang xa hoi. hieu va ((cham duc) OR (cham soc)) va han thai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (tu san)) ky nang xa hoi. hieu va ((cham duc) OR (cham soc)) va han thai su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cac) or (tu san)) ky nang xa hoi. hieu va ((cham duc) OR (cham soc)) va han thai su triet*".