Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
van cam » van nam, van cau, van dam
van lam » van nam
truc va » thuc va, thuc vat, trung va
han tai » hang tai, nhan tai, van tai
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
va han » va phan, van han, va hanh
tai su » tai so, tai tu, lai 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 dan ky nang xa hoi. hieu ((van cam) or (van lam)) truc va han tai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky nang xa hoi. hieu ((van cam) OR (van lam)) truc va han tai su triet.
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang xa hoi. hieu ((van cam) or (van lam)) truc va han tai su triet*.