Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
sach thue » sach thieu, sach tham, cach thuc
sach thu » sach thieu, sach tham, cach thuc
va thanh » gia thanh, ban thanh, va tinh
lap cua » lai cua, tap cua, lam cua
cua tre » cua te, cuu tre, cua triet
nong xa » song xa, dong xa, nong va
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cac, ve cai

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

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