Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh trang cua ((hang cong) or (dang cong)) ((tinh toan) or (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh trang cua ((hang cong) OR (dang cong)) ((tinh toan) OR (ban than)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh trang cua ((hang cong) or (dang cong)) ((tinh toan) or (ban than)) ban*.