Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
tac than » tac thanh, tam than, bac thanh
tac nhan » tao nhan, cac nhan, dac nhan

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