Perhaps you should try some spelling variations:
tuan nhung » quan nhung, tuan hung, thuat nhung
hieu sach » chieu sach, hieu cach, dien sach
doc hieu » toc thieu, hoc thieu, hoc hien
hanh tam » thanh tam, nhanh tam, hanh tram
tam tuan » tam than, ta tuan, tai tuan
cong tac » cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sach - hanh tam tuan nhung ((cong tac) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - hanh tam tuan nhung ((cong tac) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - hanh tam tuan nhung ((cong tac) or (cong san)) toan ban*.