Perhaps you should try some spelling variations:
chon loc » cho hoc
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
y lang » o lang, _ lang, tay lang
dan di » danh di, dan da, dan li
dan de » dan den, dang de, van de
cham o » cham soc

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