Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
hanh tang » hanh trang, hanh mang, hanh tung
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
cua chu » sua chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: cua chu xanh - ((hanh tang) OR (anh tang)) va ((nhung cong) or (thong cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cua chu xanh - ((hanh tang) OR (anh tang)) va ((nhung cong) OR (thong cong)) dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cua chu xanh - ((hanh tang) OR (anh tang)) va ((nhung cong) or (thong cong)) dan toan cau".
• Adding a wildcard symbol may retrieve word variants: cua chu xanh - ((hanh tang) OR (anh tang)) va ((nhung cong) or (thong cong)) dan toan cau*.