Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo tiep » theo tieu, thep tieu
tiep danh » tieu danh, thien danh, tiep can
cuong tap » luong tap, luong tai, cong tan
trinh he » trinh han, trinh hoa, trinh thi
cong tac » cong ty
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 tiep danh - hanh trinh he thong ((cong tac) or (cuong tap)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tiep danh - hanh trinh he thong ((cong tac) OR (cuong tap)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tiep danh - hanh trinh he thong ((cong tac) or (cuong tap)) toan cao*.