Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
bang cong » dang cong, bang song, hang cong
cong manh » cong danh, duong manh, cong thanh
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
dinh ve » dinh ket, dinh van
ve bang » ve ban, te bang, va bang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh dinh ve bang cong manh ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh dinh ve bang cong manh ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh dinh ve bang cong manh ((toan tai) or (toan ban))*.