Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham loc » cham soc, chon loc, hau loc
cua tre » cua te, cuu tre, dua tren
te sach » toc sach
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
sach v » sach va, sach y, sach 2
cham o » cham soc
ca dan » cac dan, ca dao
dan di » danh di, dan da, dan de
v lang » va lang, o lang, _ lang

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 v lang xa hoi. hieu ve ((cham loc) or (cham o)) ca dan di ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v lang xa hoi. hieu ve ((cham loc) OR (cham o)) ca dan di ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v lang xa hoi. hieu ve ((cham loc) or (cham o)) ca dan di ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach v lang xa hoi. hieu ve ((cham loc) or (cham o)) ca dan di ((cua tre) OR (cua triet))*.