Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tan toan » tan tran, tap toan, van toan
van tuan » van quan, van ban, anh tuan

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 - hanh trinh cua ((nhung cong) or (dung cong)) ((tan toan) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh trinh cua ((nhung cong) OR (dung cong)) ((tan toan) OR (van tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh trinh cua ((nhung cong) or (dung cong)) ((tan toan) or (van tuan)) cao*.