Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
hoac khong » hoa khong, hoc khong, hay khong
khong cong » thong cong, khong cang, chong cong
hoc thieu » toc thieu, hoc hien
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 thieu xanh - ((hanh trang) or (hanh trinh)) hoac khong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trang) OR (hanh trinh)) hoac khong cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trang) or (hanh trinh)) hoac khong cong tan toan tap*.