Perhaps you should try some spelling variations:
thien van » thi van
toc sach » hoc sach, doc sach, thuoc sach
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, lai chau
xuc va » duc va, tuc va, luc va

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)) _ lang xa hoi. thien van cam xuc va hanh ((vai cua) OR (lai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) _ lang xa hoi. thien van cam xuc va hanh ((vai cua) OR (lai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) _ lang xa hoi. thien van cam xuc va hanh ((vai cua) OR (lai cua)) te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) _ lang xa hoi. thien van cam xuc va hanh ((vai cua) OR (lai cua)) te*.