Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
chinh cua » chinh ca, chinh sua, hinh cua
cua trong » cua truong, cua trung, qua trong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
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: ((mot chieu) or (hoc thieu)) sach - hanh chinh cua trong cong tap toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) sach - hanh chinh cua trong cong tap toan cao.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) sach - hanh chinh cua trong cong tap toan cao*.