Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
thue hang » thu hang, thuy hang, thue thanh
pham chuc » pham duc, pham huu, kham chua
hanh vai » hanh va, hanh tai, hanh van
co sach » bo sach, cuon sach, hoc sach
chuc va » thuc va, thuc vat
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
ma hoi » mai hoi, ma hoa, me hoi
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach thue hang ((ma hoi) or (xa hoi)). hieu ve pham chuc va ((hanh vai) OR (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach thue hang ((ma hoi) OR (xa hoi)). hieu ve pham chuc va ((hanh vai) OR (hanh vi)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach thue hang ((ma hoi) or (xa hoi)). hieu ve pham chuc va ((hanh vai) OR (hanh vi)) cua te".
• Adding a wildcard symbol may retrieve word variants: co sach thue hang ((ma hoi) or (xa hoi)). hieu ve pham chuc va ((hanh vai) OR (hanh vi)) cua te*.