Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
trung cam » trung tam, trung cap, trung nam
quang cao » nang cao, quang nam
dung anh » dung danh, duong anh, dong anh
toan tap » toan ban
cam ung » cam hung, cac ung, cao ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sang)) - hanh trung cam ung dung anh ((toan tap) or (quang cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - hanh trung cam ung dung anh ((toan tap) OR (quang cao)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - hanh trung cam ung dung anh ((toan tap) or (quang cao))*.