Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
xa truong » cac truong
thpt phan » thuat phan, thpt thang, thpt dan
phan phan » phap phan, phan phat, than phan
phan ung » phan xuong, phan cong
phan dau » phan tu, hang dau
ung xa » dung xa, ung xu, ang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - phan ung xa truong thpt phan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - phan ung xa truong thpt phan phan dau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - phan ung xa truong thpt phan phan dau*.