Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
cua truong » cua trung, xuan truong, cac truong
nhan dang » nhan dan, phan dang, tran dang
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban 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: ho chieu tinh - ((nhan dang) or (nhanh quang)) ((cua tong) or (cua truong)) cong tan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((nhan dang) OR (nhanh quang)) ((cua tong) OR (cua truong)) cong tan than cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((nhan dang) or (nhanh quang)) ((cua tong) or (cua truong)) cong tan than cao*.