Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
nhung cau » chung cu, nhung bai, nhu cau
ho chieu » theo chieu, hoc thieu, doi chieu
toan tai » toan tap, doanh tai, toan cao
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: ho chieu tach - hanh tang luan ((nhung cau) or (dung trong)) manh ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - hanh tang luan ((nhung cau) OR (dung trong)) manh ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - hanh tang luan ((nhung cau) or (dung trong)) manh ((toan tai) or (toan ban))*.