Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
lang xa » lang ha, dang xay, lang van
tang ma » mang may, tang van
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
danh va » doanh va, hanh va, anh va
tu sach » thu sach, su sach, te sach
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: tu sach ky ((lang xa) or (tang ma)) hoi. hieu ve cam ((xuc va) or (tuc xa)) danh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((lang xa) OR (tang ma)) hoi. hieu ve cam ((xuc va) OR (tuc xa)) danh va su triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((lang xa) or (tang ma)) hoi. hieu ve cam ((xuc va) or (tuc xa)) danh va su triet*.