Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
chat nhung » chat ngung, thuat nhung, cua nhung
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - hanh tinh chat nhung ((cong tap) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh tinh chat nhung ((cong tap) OR (cong tac)) toan tap*.