Perhaps you should try some spelling variations:
hanh trang » thanh trung, minh trang, tinh trang
hanh trinh » hanh chinh
thong cong » trong cong, tong cong, thong thong
hoc tieng » hoc hien
va thong » va thuong, va phuong, he thong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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: hoc tieng anh - ((((hanh trang) OR (canh tranh))) or (hanh trinh)) va thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieng anh - ((((hanh trang) OR (canh tranh))) OR (hanh trinh)) va thong cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tieng anh - ((((hanh trang) OR (canh tranh))) or (hanh trinh)) va thong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc tieng anh - ((((hanh trang) OR (canh tranh))) or (hanh trinh)) va thong cong tan toan cau*.