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