Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh dung » thanh dung, anh dung, hanh dong
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » xay dung, tin dung
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
va dung » va duong, vat dung, va ung

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