Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh dau » lanh dao, hang dau, danh tu
cham luc » cham soc, nhan luc, cham cuu
hieu va » lieu va, hieu qua
te sach » toc sach
hieu ve » hieu van
tang xa » trang xa, tang ma, lang xa
sach 7 » sach y, sach 2
luc va » duc va, tuc va, loc va
7 tang » 6 tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach 7 tang xa hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) or (hang va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 7 tang xa hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) OR (hang va)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach 7 tang xa hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) or (hang va)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach 7 tang xa hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) or (hang va)) cua triet*.