Perhaps you should try some spelling variations:
phan thanh » pham thanh, ban thanh, van thanh
chieu sang » chieu sach, chieu xanh, hieu lang
dung tuong » dung thuong, dung truong, dung trong
tuong tinh » truong tinh, thuong tinh, trong tinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh van » thanh san, thanh toan, thanh phan
van dung » van dong, xay dung, tin dung
tinh van » trinh van, dinh van, tinh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sang) or (hieu manh)) - phan thanh van dung tuong tinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sang) OR (hieu manh)) - phan thanh van dung tuong tinh van ban.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sang) or (hieu manh)) - phan thanh van dung tuong tinh van ban*.