Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan nong » luan nang, luan cong, luan dong
nong cong » cong cong, tong cong, nang cong
hoc hieu » hoc thieu, doc hieu, hoc dieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan 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 hieu) OR (hoc hien))) or (toc thieu)) manh - hanh trinh luan nong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc hieu) OR (hoc hien))) OR (toc thieu)) manh - hanh trinh luan nong cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((hoc hieu) OR (hoc hien))) or (toc thieu)) manh - hanh trinh luan nong cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: ((((hoc hieu) OR (hoc hien))) or (toc thieu)) manh - hanh trinh luan nong cong tac toan tap*.