Perhaps you should try some spelling variations:
tinh lam » trinh lam, dinh lam, tinh lao
sach thu » sach thue, sach tham, cach thuc
va tinh » may tinh
hieu va » lieu va, hieu qua
hieu ve » hieu van
hanh va » hang va, hanh vi
va hoi » xa hoi, va hoc, va hoa
xuc va » duc va, tuc va, luc va
lam va » nam va, dam va, lam ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach thu) or (sach thieu)) hanh va hoi. ((hieu ve) or (hieu va)) cam xuc va tinh lam va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (sach thieu)) hanh va hoi. ((hieu ve) OR (hieu va)) cam xuc va tinh lam va thiet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) or (sach thieu)) hanh va hoi. ((hieu ve) or (hieu va)) cam xuc va tinh lam va thiet*.