Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
hanh nang » anh nang, ganh nang, hanh mang
thong co » thong o, trong co, thong cong
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap
co san » cho san, co ban, co dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - hanh nang (suat OR xuat) thong co san toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - hanh nang (suat OR xuat) thong co san toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh nang (suat OR xuat) thong co san toan cao*.