Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hien nhanh » hien hanh, tien thanh, dien thanh
hanh trinh » canh tranh, hanh chinh
cong nganh » cong ngang, trong nganh, duong nganh
nganh toan » nganh thanh, thanh toan, manh toan
anh trong » anh thuong, dinh trong, lang trong
qua trong » quan trong, qua trinh, qua song
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 ((hien nhanh) or (thien thanh)) - ((hanh trinh) or (anh trong)) qua trong cong nganh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (thien thanh)) - ((hanh trinh) OR (anh trong)) qua trong cong nganh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (thien thanh)) - ((hanh trinh) or (anh trong)) qua trong cong nganh toan cau*.