Perhaps you should try some spelling variations:
cong thanh » cong trinh, cong tan, truong thanh
thieu tinh » trieu tinh, chieu tinh, thien tinh
dong thanh » truong thanh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
chat cao » chat co, chat cho, chat bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - canh tranh cua trong ((cong ty) or (((cong thanh) OR (dong thanh)))) chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh tranh cua trong ((cong ty) OR (((cong thanh) OR (dong thanh)))) chat cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh tranh cua trong ((cong ty) or (((cong thanh) OR (dong thanh)))) chat cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tranh cua trong ((cong ty) or (((cong thanh) OR (dong thanh)))) chat cao*.