Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
cau treo » cau theo, cau tren, cau triet
danh vai » danh sai, danh va, dang van
cham tuc » nham thuc, pham thuc, tham thuc
trang xa » trang va, trang ha, trong xa
tu trang » thu trang, tu trong, ta trang
hieu vu » hieu va, hieu ve, hieu su
sach tu » sach thu, cach tu, sach ty
su sach » so sach, vu sach
tuc va » thuc va, truc va, tuc xa

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 tu trang xa hoi. ((hieu vu) or (hieu qua)) cham tuc va ((danh vai) or (doanh van)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu trang xa hoi. ((hieu vu) OR (hieu qua)) cham tuc va ((danh vai) OR (doanh van)) cau treo.
• Adding a wildcard symbol may retrieve word variants: su sach tu trang xa hoi. ((hieu vu) or (hieu qua)) cham tuc va ((danh vai) or (doanh van)) cau treo*.