Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
dang vat » dang van, dong vat, dang nhat
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
dang va » dang van, hang va, dung va

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 - anh ((dang va) OR (dang vat)) thong cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - anh ((dang va) OR (dang vat)) thong cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh ((dang va) OR (dang vat)) thong cong dan toan cao*.