Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thieu tinh » trieu tinh, chieu tinh, thien tinh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
ban than » ban thanh, van thanh, ban hang
van tuan » van quan, van ban, anh tuan

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 - canh manh cua ((nhung cong) OR (thong cong)) ((ban than) or (van tuan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh manh cua ((nhung cong) OR (thong cong)) ((ban than) OR (van tuan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh manh cua ((nhung cong) OR (thong cong)) ((ban than) or (van tuan)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh manh cua ((nhung cong) OR (thong cong)) ((ban than) or (van tuan)) tap*.