Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
va phuong » cac phuong
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh dang, anh nang, anh sang
anh bang » anh hoang, anh quang, tinh bang
toan tap » toan ban
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 - ((anh tang) OR (anh bang)) ((va phuong) or (va thuong)) cong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cua chu xanh - ((anh tang) OR (anh bang)) ((va phuong) OR (va thuong)) cong trinh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cua chu xanh - ((anh tang) OR (anh bang)) ((va phuong) or (va thuong)) cong trinh toan tap".
• Adding a wildcard symbol may retrieve word variants: cua chu xanh - ((anh tang) OR (anh bang)) ((va phuong) or (va thuong)) cong trinh toan tap*.