Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - ((hanh trang) or (hanh trinh)) va nhung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((hanh trang) OR (hanh trinh)) va nhung cong tan toan tap*.