Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
thuong trinh » chuong trinh, thuong tinh, khuong tinh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh hang » thanh hang, hang hang, hanh han
chu sang » chu bang, thu sang, chuc nang
hang cua » mang cua, hang ca, huong cua
toan cau » toan cao, toan ban, toan tap

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

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