Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
quan trong » gian trong
hanh tang » anh tang, hanh mang, hanh tung
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan
he hieu » he nhieu, de hieu, he tieu
he dieu » hoc dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((he hieu) OR (he dieu)) lang - ((hanh tang) or (hanh trang)) quan trong cong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((he hieu) OR (he dieu)) lang - ((hanh tang) OR (hanh trang)) quan trong cong tan tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((he hieu) OR (he dieu)) lang - ((hanh tang) or (hanh trang)) quan trong cong tan tran tap".
• Adding a wildcard symbol may retrieve word variants: ((he hieu) OR (he dieu)) lang - ((hanh tang) or (hanh trang)) quan trong cong tan tran tap*.