Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh qua » trinh quan, trinh cua, trinh quang
dung cong » dung trong
qua dung » quang dung, su dung, qua song
ban hang » ngan 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 trinh qua dung cong ((ban hang) or (dan gian)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh trinh qua dung cong ((ban hang) OR (dan gian)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh trinh qua dung cong ((ban hang) or (dan gian)) ban*.