Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
dung cua » dung luan, dung cho
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
hang cau » hang dau, hang ca, nhung cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (hoc thieu)) sach - hanh dung cua thong ((cong ban) OR (cong tan)) hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) sach - hanh dung cua thong ((cong ban) OR (cong tan)) hang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (hoc thieu)) sach - hanh dung cua thong ((cong ban) OR (cong tan)) hang cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) sach - hanh dung cua thong ((cong ban) OR (cong tan)) hang cau*.