Perhaps you should try some spelling variations:
sach thuc » cach thuc, sach thu, sach thue
lan thanh » luan thanh, lang thanh, ban thanh
tu sach » thu sach, su sach, te sach
hanh xa » hanh va, hanh ma, hanh xu
thi lan » thi hanh, thi nang, thi lien
cong va » dong va, cong ha, cong tac
cuu tre » cau tren, cau treo
cua tre » cua triet, dua tren, cua thep
va dan » ca dan, va dao, va dau
dan du » dan dau, danh du, dan su
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 thuc hanh xa hoi. thi lan thanh cong va dan du ((cuu tre) or (((cua tre) or (cua te))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thuc hanh xa hoi. thi lan thanh cong va dan du ((cuu tre) OR (((cua tre) OR (cua te)))).
• Adding a wildcard symbol may retrieve word variants: tu sach thuc hanh xa hoi. thi lan thanh cong va dan du ((cuu tre) or (((cua tre) or (cua te))))*.