Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
trung co » trung bo, trong co, truong cao
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
co dung » co duong, cao dung, co dong

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 xanh - thanh trung co dung ((cong thanh) OR (dong thanh)) ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - thanh trung co dung ((cong thanh) OR (dong thanh)) ((toan tai) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - thanh trung co dung ((cong thanh) OR (dong thanh)) ((toan tai) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - thanh trung co dung ((cong thanh) OR (dong thanh)) ((toan tai) or (toan tap))*.