Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
cong manh » cong danh, duong manh, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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) or (toc thieu)) tinh - hanh trinh luan nhung cong manh ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - hanh trinh luan nhung cong manh ((toan cau) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (toc thieu)) tinh - hanh trinh luan nhung cong manh ((toan cau) OR (toan ban))*".