Perhaps you should try some spelling variations:
qua trong » quan trong, qua trinh, qua song
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
anh dung » anh dong, anh huong, sach dung
dung qua » duong qua, dung quan, dung cua
cong san » cong tac
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu xanh) OR (chu manh)) - anh dung qua trong cong san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu xanh) OR (chu manh)) - anh dung qua trong cong san ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu xanh) OR (chu manh)) - anh dung qua trong cong san ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: chao ((chu xanh) OR (chu manh)) - anh dung qua trong cong san ((toan cao) or (toan ban))*.