Perhaps you should try some spelling variations:
canh trinh » hanh trinh, canh tinh, anh trinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
vang phan » van phan, nang phan, quang phan
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
phan cac » nhan cach, phan dau, phan lap

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

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