Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh sinh » canh binh, tinh sinh, dang sinh
canh tinh » hanh tinh, manh tinh, canh tranh
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau
hoi chu » hoi chuc
ho chu » cho chu, ho chua, hoc chu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chu) OR (hoi chu)) tinh - ((canh sinh) or (canh tinh)) va nhung cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chu) OR (hoi chu)) tinh - ((canh sinh) OR (canh tinh)) va nhung cong dan phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chu) OR (hoi chu)) tinh - ((canh sinh) or (canh tinh)) va nhung cong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: ((ho chu) OR (hoi chu)) tinh - ((canh sinh) or (canh tinh)) va nhung cong dan phan dau*.