Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
ho chieu » theo chieu, doi chieu, mot chieu
manh cua » doanh cua, ban cua
van vat » van chat, nhan vat
vat ban » van ban, va ban, vat ran

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

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