Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
thong cong » trong cong, tong cong, thong thong
hoc trieu » hoc thieu, hoc tieu, hoc dieu
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van 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 trieu tinh - ((hanh trang) or (canh tranh)) cua thong cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - ((hanh trang) OR (canh tranh)) cua thong cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - ((hanh trang) or (canh tranh)) cua thong cong tan toan ban*.