Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hanh tang » hanh trang, anh tang, hanh mang
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
ki nang » ky nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doc hieu)) sang - hanh tang ((cua dang) or (ki nang)) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) sang - hanh tang ((cua dang) OR (ki nang)) cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doc hieu)) sang - hanh tang ((cua dang) or (ki nang)) cong dan toan cao*.