Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
chinh qua » chinh cua, chinh sua, chinh quoc
qua nhung » quan nhung, cua nhung, qua chung
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: hoc ((thieu sach) or (chieu sang)) - hanh chinh qua nhung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sang)) - hanh chinh qua nhung cong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sang)) - hanh chinh qua nhung cong thanh toan ban*.