Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, ran cau, tra cau
toan cau » toan cao, toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - ((hanh trang) or (hanh trinh)) cua dung cong tan ((tran cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((hanh trang) OR (hanh trinh)) cua dung cong tan ((tran cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - ((hanh trang) or (hanh trinh)) cua dung cong tan ((tran cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((hanh trang) or (hanh trinh)) cua dung cong tan ((tran cau) OR (toan cau))*.