Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, cong tan
cong manh » cong danh, duong manh, hoang manh
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
tung ki » thung kin, truong ki, cung kim
ki nang » ky nang

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 tung ki nang ((cong manh) OR (cong thanh)) ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh tung ki nang ((cong manh) OR (cong thanh)) ((toan tai) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh tung ki nang ((cong manh) OR (cong thanh)) ((toan tai) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh tung ki nang ((cong manh) OR (cong thanh)) ((toan tai) or (toan ban))*.