Perhaps you should try some spelling variations:
trinh vat » trinh van, trinh luat, sinh vat
trinh va » trinh van, trinh ve, trinh vi
vu khac » vu kham, vu khanh, bui khac
cam tuc » cam xuc, cam tu, nam thuc
ty hang » ly hang, ty xang, thi hang
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
ty anh » ly anh, thuy anh
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac ((ty hang) or (ty anh)) xa hoi. lieu va cam tuc va ((trinh vat) or (trinh va)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac ((ty hang) OR (ty anh)) xa hoi. lieu va cam tuc va ((trinh vat) OR (trinh va)) cua tu.
• Adding a wildcard symbol may retrieve word variants: vu khac ((ty hang) or (ty anh)) xa hoi. lieu va cam tuc va ((trinh vat) or (trinh va)) cua tu*.