Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, sinh trung
manh hung » anh huong
hoa nhung » hoc nhung, hon nhung, va nhung
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
ha nhung » hay nhung, pha nhung, va nhung
cong ban » cong bang, cong san, cong tan

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 sach - ((manh trung) or (manh hung)) ((ha nhung) or (hoa nhung)) cong ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((manh trung) OR (manh hung)) ((ha nhung) OR (hoa nhung)) cong ban thanh lap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((manh trung) or (manh hung)) ((ha nhung) or (hoa nhung)) cong ban thanh lap*.