Perhaps you should try some spelling variations:
tieu danh » dieu danh, thien danh, dieu hanh
tiep danh » thien danh, tiep can, hiep dinh
hanh hang » thanh hang, hang hang, hanh han
dang cong » dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
hang tai » hang va, dung tai
tai dang » tai lang, dai dang, hai dang
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu danh) or (tiep danh)) - hanh hang tai dang cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (tiep danh)) - hanh hang tai dang cong manh toan cao*.