Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
cua truong » cua trung, xuan truong, cac truong
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cong van » cong vang, cong san, song van
tan tap » toan tap, tan tat, man tap
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((lieu va) or (hieu qua)) - canh doanh cua truong cong van ((tan tap) OR (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((lieu va) OR (hieu qua)) - canh doanh cua truong cong van ((tan tap) OR (han tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((lieu va) or (hieu qua)) - canh doanh cua truong cong van ((tan tap) OR (han tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((lieu va) or (hieu qua)) - canh doanh cua truong cong van ((tan tap) OR (han tap))*.