Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, phong chong
canh manh » lanh manh, canh tranh, cach mang
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
phan cac » nhan cach, phan dau, phan lap
doi chi » doi khi

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 (doi chi)) sang - canh manh cua ((thong cong) OR (thong thong)) luan phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chi)) sang - canh manh cua ((thong cong) OR (thong thong)) luan phan cac~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) sang - canh manh cua ((thong cong) OR (thong thong)) luan phan cac*.