Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh huong » thanh huong, anh huong, manh huong
theo chuc » theo chu, tho chu, treo chu
ca thuong » cao thuong, cua thuong, va thuong
thanh lap » phan lap, thanh hai, thanh van
huong ca » huong cua, huong cau, huong va
cong tan » cong tac, cong san, cong thanh
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chuc nang - hanh huong ca thuong cong tan ((khan cap) or (((thanh lap) OR (thanh san))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chuc nang - hanh huong ca thuong cong tan ((khan cap) OR (((thanh lap) OR (thanh san)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chuc nang - hanh huong ca thuong cong tan ((khan cap) or (((thanh lap) OR (thanh san))))".
• Adding a wildcard symbol may retrieve word variants: theo chuc nang - hanh huong ca thuong cong tan ((khan cap) or (((thanh lap) OR (thanh san))))*.