Perhaps you should try some spelling variations:
hanh doi » thanh doi, hanh noi, hang doi
sach bai » sach dao, cac bai
sach tay » xach tay, sach hay, sach nay
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
sach xa » sach dao, sach nha
ve cau » ke cau, va cau, ve cac
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 tay) or (((sach xa) OR (sach bai)))) lang xa hoi. hieu ve cau truc va hanh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tay) OR (((sach xa) OR (sach bai)))) lang xa hoi. hieu ve cau truc va hanh doi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tay) or (((sach xa) OR (sach bai)))) lang xa hoi. hieu ve cau truc va hanh doi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tay) or (((sach xa) OR (sach bai)))) lang xa hoi. hieu ve cau truc va hanh doi cua te*.