Perhaps you should try some spelling variations:
toc chieu » toc thieu, doc hieu, doi chieu
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
cong cong » cong dong, trong cong, dung cong
manh cua » doanh cua, ban cua
can chan » cam chan, ban chan, cau chan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc chieu) or (hoc thieu)) xanh - canh manh cua cong cong ((can chan) OR (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc chieu) OR (hoc thieu)) xanh - canh manh cua cong cong ((can chan) OR (dan chan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc chieu) or (hoc thieu)) xanh - canh manh cua cong cong ((can chan) OR (dan chan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((toc chieu) or (hoc thieu)) xanh - canh manh cua cong cong ((can chan) OR (dan chan)) cau*.