Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh phang » khanh phong, nhanh thang, thanh thang
hanh phan » thanh phan, anh phan, hanh han
va phuong » va thuong, cac phuong
chi sang » chi lang, chieu sang, chi chang
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sang - ((hanh phang) or (hanh phan)) va phuong cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sang - ((hanh phang) OR (hanh phan)) va phuong cong dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chi sang - ((hanh phang) or (hanh phan)) va phuong cong dan ((toan cau) or (toan tap))*.