Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua dang » cua cong, cua ban
cong tap » cuong tap, cong tac, cong tan
quan ban » quang ban, qua ban, luan ban
quan van » luan van, quan va, quan doan
ha tinh » va tinh, may tinh
y ha » ly ha
luan » lan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: y ha tinh - hanh tranh cua dang cong tap ((((quan ban) OR (quan van))) or (quan luan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: y ha tinh - hanh tranh cua dang cong tap ((((quan ban) OR (quan van))) OR (quan luan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "y ha tinh - hanh tranh cua dang cong tap ((((quan ban) OR (quan van))) or (quan luan))".
• Adding a wildcard symbol may retrieve word variants: y ha tinh - hanh tranh cua dang cong tap ((((quan ban) OR (quan van))) or (quan luan))*.