Perhaps you should try some spelling variations:
trinh vat » trinh van, trinh luat, sinh vat
va trinh » van trinh, va tinh, lap trinh
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
hieu ve » hieu va, hieu van
co viet » so viet, o viet, hoc viet
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty hang xa hoi. hieu ve cam xuc va trinh vat ((cua viet) or (co viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty hang xa hoi. hieu ve cam xuc va trinh vat ((cua viet) OR (co viet)).
• Adding a wildcard symbol may retrieve word variants: su sach ty hang xa hoi. hieu ve cam xuc va trinh vat ((cua viet) or (co viet))*.