Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, phong chong
thien danh » thien anh, thien dang, thien thanh
tieu danh » dieu danh, tiep danh, dieu hanh
hanh ban » thanh ban, hang ban, hanh san
tac hang » tac vang, bac thang, tac chong
hang dau » hang va, hang tai
ban cua » ban quan

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 (thien danh)) - hanh ban cua ((thong cong) OR (thong thong)) tac hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (thien danh)) - hanh ban cua ((thong cong) OR (thong thong)) tac hang dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu danh) or (thien danh)) - hanh ban cua ((thong cong) OR (thong thong)) tac hang dau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu danh) or (thien danh)) - hanh ban cua ((thong cong) OR (thong thong)) tac hang dau*.