Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
hanh dang » hanh dong, hanh dung, hanh mang
cua nhung » va nhung
anh dang » anh dong, anh dung, anh bang
han ban » hang ban, can ban, han san

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - ((hanh dang) or (anh dang)) cua nhung cong trinh ((han ban) OR (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - ((hanh dang) OR (anh dang)) cua nhung cong trinh ((han ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - ((hanh dang) or (anh dang)) cua nhung cong trinh ((han ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - ((hanh dang) or (anh dang)) cua nhung cong trinh ((han ban) OR (van ban))*.