Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
cong tan » cong tac, cong san, cong ty
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 tan) OR (cong thanh)) chat cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh tranh cua trong ((cong tan) OR (cong thanh)) chat cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tranh cua trong ((cong tan) OR (cong thanh)) chat cao*.