Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
toc chieu » toc thieu, doc hieu, hoc thieu
tranh cua » doanh cua, manh cua
nong cong » cong cong, nang cong, dong cong
tong cong » trong cong, cong cong, dung cong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu tinh - canh tranh cua ((nong cong) OR (tong cong)) dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu tinh - canh tranh cua ((nong cong) OR (tong cong)) dan than cao".
• Adding a wildcard symbol may retrieve word variants: toc chieu tinh - canh tranh cua ((nong cong) OR (tong cong)) dan than cao*.