Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trang » thanh trung, canh tranh, hanh trinh
bang khoan » hang khoa, bang nhan, dang khoa
cong bang » cuong bang, dong bang, hong bang
khoan cam » khoa cam, khoan va, phan cam
cap dung » cao dung, chan dung, cach dung
ap dung » xay dung, van dung

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 tinh) or (chieu sang)) - hanh trang ((cap dung) OR (ap dung)) cong bang khoan cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sang)) - hanh trang ((cap dung) OR (ap dung)) cong bang khoan cam*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (chieu sang)) - hanh trang ((cap dung) OR (ap dung)) cong bang khoan cam*".