Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung chuc » trung thuc, trung thuoc, truong thuc
nang cong » nang song, dang cong, bang cong
cong manh » cong danh, duong manh, cong thanh
toan tap » toan ban
toan tai » doanh tai, toan ban, toan cao

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 - thanh trung chuc nang cong manh ((((toan tap) or (toan tai))) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung chuc nang cong manh ((((toan tap) OR (toan tai))) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung chuc nang cong manh ((((toan tap) or (toan tai))) or (van ban))*.