Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tranh cua » manh cua
doanh cua » doanh luan
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
hoc hieu » hoc hien, doc hieu, hoc dieu
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 hieu) or (hoc thieu)) manh - canh ((tranh cua) OR (doanh cua)) thong cong dang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc thieu)) manh - canh ((tranh cua) OR (doanh cua)) thong cong dang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) or (hoc thieu)) manh - canh ((tranh cua) OR (doanh cua)) thong cong dang toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (hoc thieu)) manh - canh ((tranh cua) OR (doanh cua)) thong cong dang toan ban*.