Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
danh toan » manh toan, anh toan, dan toan
toan tap » toan ban

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 tinh)) - hanh trinh vat ((nhung cong) OR (dung cong)) danh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu tinh)) - hanh trinh vat ((nhung cong) OR (dung cong)) danh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu tinh)) - hanh trinh vat ((nhung cong) OR (dung cong)) danh toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu tinh)) - hanh trinh vat ((nhung cong) OR (dung cong)) danh toan tap*.