Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
ky dang » ky danh
cac tuc » cac toc, cac tu, cac tac
dan vai » dan va, dan tai, dan vat
tuc va » thuc va, truc va, tuc xa
va dan » ca dan, va dao, va dau
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: tu sach ((ky dang) OR (ky nang)) xa hoi. lieu va cac tuc va dan vai ((cau tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky dang) OR (ky nang)) xa hoi. lieu va cac tuc va dan vai ((cau tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky dang) OR (ky nang)) xa hoi. lieu va cac tuc va dan vai ((cau tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky dang) OR (ky nang)) xa hoi. lieu va cac tuc va dan vai ((cau tren) or (cua te))*.