Perhaps you should try some spelling variations:
te sach » toc sach
dinh te » kinh te, dich te, dinh ve
va dinh » van dinh, va kinh, va tinh
cua tre » cua te, cuu tre, cua triet
xu dang » su dang, vu dang, xo dang
xu lang » cu lang, tu lang, xu quang
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
te cua » tue cua, le cua, de cua
ve cam » ve cham, ve cac, ve cai

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 ((xu lang) OR (xu dang)) xa hoi. hieu ((ve cam) or (va cam)) tuc va dinh te cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((xu lang) OR (xu dang)) xa hoi. hieu ((ve cam) OR (va cam)) tuc va dinh te cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((xu lang) OR (xu dang)) xa hoi. hieu ((ve cam) or (va cam)) tuc va dinh te cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((xu lang) OR (xu dang)) xa hoi. hieu ((ve cam) or (va cam)) tuc va dinh te cua tre*.