Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhieu tang » hieu lang, nhiet nang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh vat » trinh van, trinh luat, sinh vat
vat nhung » va nhung, vap nhung, vai nhung
cong san » cong tac
san toan » van toan, dan toan, manh 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 ((chinh sach) or (((nhieu tang) OR (chieu sang)))) - hanh trinh vat nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (((nhieu tang) OR (chieu sang)))) - hanh trinh vat nhung cong san toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chinh sach) or (((nhieu tang) OR (chieu sang)))) - hanh trinh vat nhung cong san toan tap*".