Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
nhanh mang » nhanh lang, nhanh quang, nhanh thang
hanh mang » hanh trang, nhanh lang, thanh hang
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
theo chu » cho chu, chao chu, theo yeu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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) or (theo chieu)) xanh - ((hanh mang) OR (nhanh mang)) luan dang cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (theo chieu)) xanh - ((hanh mang) OR (nhanh mang)) luan dang cong tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (theo chieu)) xanh - ((hanh mang) OR (nhanh mang)) luan dang cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (theo chieu)) xanh - ((hanh mang) OR (nhanh mang)) luan dang cong tac toan cao*.