Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
lieu tinh » trieu tinh, diep tinh, bien tinh
dang cong » dung cong
cot lieu » co lieu, vat lieu, so lieu
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cot lieu tinh - ((hanh trang) OR (canh tranh)) cua dang cong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cot lieu tinh - ((hanh trang) OR (canh tranh)) cua dang cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: cot lieu tinh - ((hanh trang) OR (canh tranh)) cua dang cong tan toan cao*.