Perhaps you should try some spelling variations:
thien van » thi van
toc sach » hoc sach, doc sach, thuoc sach
van cham » van chat, van tham, va cham
cham tuc » nham thuc, pham thuc, tham thuc
kinh dat » dinh dat, kinh dao, chinh dat
ly nang » ky nang, ly hang, ly vang
va kinh » va tinh, qua kinh
dat cua » dai cua, day cua, mat cua
y nang » ky nang, v nang, may nang
tuc va » thuc va, truc va, tuc xa
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: toc sach ((y nang) OR (ly nang)) xa hoi. thien van cham tuc va kinh dat cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((y nang) OR (ly nang)) xa hoi. thien van cham tuc va kinh dat cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ((y nang) OR (ly nang)) xa hoi. thien van cham tuc va kinh dat cua te*.