Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
thu lang » thu hang, thu bang, phu lang
hanh doi » thanh doi, hanh noi, hang doi
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
lang xa » lang ha, dang xay, lang van
ve cac » va cac, vien 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: ((te sach) or (toc sach)) thu lang xa hoi. hieu ((ve cham) or (ve cac)) duc va hanh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) thu lang xa hoi. hieu ((ve cham) OR (ve cac)) duc va hanh doi cua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) thu lang xa hoi. hieu ((ve cham) or (ve cac)) duc va hanh doi cua te*.