Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
trung va » truong va, trang va, trung ha
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
lai cua » dai cua, hai cua, lai chau
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat
y lang » o lang, _ lang, tay lang
cua te » cua tu

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) or (hieu va)) cau ((truc va) OR (trung va)) thanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. ((hieu ve) OR (hieu va)) cau ((truc va) OR (trung va)) thanh lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y lang xa hoi. ((hieu ve) or (hieu va)) cau ((truc va) OR (trung va)) thanh lai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach y lang xa hoi. ((hieu ve) or (hieu va)) cau ((truc va) OR (trung va)) thanh lai cua te*.