Perhaps you should try some spelling variations:
van gianh » van giang, va gianh, van gian
gianh lai » gian lan
tu sach » thu sach, su sach, te sach
cuu tre » cau tren, cau treo
duc van » duc va, duc tan, duc manh
cua tre » cua te, cua triet, dua tren
lang xa » lang ha, dang xay, lang van
y lang » o lang, _ lang, tay lang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y lang xa hoi. hieu ((ve cam) or (va cam)) duc van gianh lai ((cuu tre) OR (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. hieu ((ve cam) OR (va cam)) duc van gianh lai ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y lang xa hoi. hieu ((ve cam) or (va cam)) duc van gianh lai ((cuu tre) OR (cua tre))".
• Adding a wildcard symbol may retrieve word variants: tu sach y lang xa hoi. hieu ((ve cam) or (va cam)) duc van gianh lai ((cuu tre) OR (cua tre))*.