Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
thuat dung » thuat hung, thuat ung, thuat xung
hoc thien » hoc hien, hoc thieu, hoc thiet
ban thai » ban thi, ban tai, ban thoi
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - hanh trinh ((thuat dung) or (luat thuong)) cong ((ban thai) OR (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh trinh ((thuat dung) OR (luat thuong)) cong ((ban thai) OR (ban than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien thanh - hanh trinh ((thuat dung) or (luat thuong)) cong ((ban thai) OR (ban than)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh trinh ((thuat dung) or (luat thuong)) cong ((ban thai) OR (ban than)) cao*.