Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
dinh trong » sinh trong, chinh trong, dinh thuong
anh trong » anh thuong, lang trong, sinh trong
theo doi » theo duoi, theo don, theo dong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban
ho toc » hoa toc, co toc, so toc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo doi) or (ho toc)) sach - ((anh trong) OR (dinh trong)) va nhung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo doi) OR (ho toc)) sach - ((anh trong) OR (dinh trong)) va nhung cong van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo doi) or (ho toc)) sach - ((anh trong) OR (dinh trong)) va nhung cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo doi) or (ho toc)) sach - ((anh trong) OR (dinh trong)) va nhung cong van toan ban*.