Perhaps you should try some spelling variations:
thong phan » thong quan, chong phap, thong van
hanh trang » thanh trung, canh tranh, hanh trinh
hien hanh » dieu hanh
anh tang » anh bang, anh dang, anh nang
cua nong » cua cong, cuu nong, cua dong
thon han » thong nhan, thong than, thon chang
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 hanh - ((hanh trang) or (anh tang)) cua nong ((thon han) OR (thong phan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh trang) OR (anh tang)) cua nong ((thon han) OR (thong phan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - ((hanh trang) or (anh tang)) cua nong ((thon han) OR (thong phan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((hanh trang) or (anh tang)) cua nong ((thon han) OR (thong phan)) toan cau*.