Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thu sach » tu sach, thuat sach, thu hoach
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
lo lang » o lang, so lang, hoa lang
le lang » le tang, le dang, le xang
cua tuc » cua duc, cua tu, cua thuoc
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (thuoc sach)) ((lo lang) or (le lang)) xa hoi. lieu va cam luc va hanh vai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuoc sach)) ((lo lang) OR (le lang)) xa hoi. lieu va cam luc va hanh vai cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuoc sach)) ((lo lang) or (le lang)) xa hoi. lieu va cam luc va hanh vai cua tuc".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (thuoc sach)) ((lo lang) or (le lang)) xa hoi. lieu va cam luc va hanh vai cua tuc*.