Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
dung cong » dung trong
trung ap » trung cap, trung lap, trung tam
cong van » cong vang, cong san, song van
ap dung » xay dung, van dung
van tai » von tai, van tuan
tai cao » thai cao, tao cao, tai sao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu sang) or (chieu sach))) or (trieu tinh)) - hanh trung ap dung cong van tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (chieu sach))) OR (trieu tinh)) - hanh trung ap dung cong van tai cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (chieu sach))) or (trieu tinh)) - hanh trung ap dung cong van tai cao*.