Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cuong tap » luong tap, cong tac, luong tai
cong tap » cong tac, cong tan, tong tap
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 thieu tinh - hanh tranh cua nhung ((cong tap) or (cuong tap)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh tranh cua nhung ((cong tap) OR (cuong tap)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh tranh cua nhung ((cong tap) or (cuong tap)) toan cau*.