Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
chau tinh » cuu tinh, ha tinh, cua tinh
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
ban than » ban thanh, van thanh, ban hang
dan chan » dan gian, dan ca, van chat

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) OR (chau tinh)) - hanh trinh quan dung cong ((ban than) or (dan chan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (chau tinh)) - hanh trinh quan dung cong ((ban than) OR (dan chan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu tinh) OR (chau tinh)) - hanh trinh quan dung cong ((ban than) or (dan chan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) OR (chau tinh)) - hanh trinh quan dung cong ((ban than) or (dan chan)) ban*.