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 ngang » cong nhan, cong quang, cong lang
anh trong » anh thuong, dinh trong, lang trong
cua trong » cua truong, cua trung, qua trong
ngang tan » nganh toan, nang tai, nang tao
tan cau » toan cau, van cau, tan ca

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)) cua trong cong ngang tan 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)) cua trong cong ngang tan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) OR (thien thanh)) - ((hanh trinh) or (anh trong)) cua trong cong ngang tan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) OR (thien thanh)) - ((hanh trinh) or (anh trong)) cua trong cong ngang tan cau*.