Perhaps you should try some spelling variations:
sinh trong » sinh truong, sinh trung, dinh trong
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu
trong cua » truong cua, thong cua, trong ca
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((hoc thieu) or (ho chieu))) or (hoc hien)) sach - sinh trong cua thong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thieu) OR (ho chieu))) OR (hoc hien)) sach - sinh trong cua thong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thieu) or (ho chieu))) or (hoc hien)) sach - sinh trong cua thong cong dan van ban*.