Perhaps you should try some spelling variations:
kinh dien » tinh dien, trinh dien
kinh kien » linh kien, dinh kien, kinh hien
cau treo » cau theo, cau tren, cau triet
sach ty » sach y, sach tu, sach thu
thuc va » thuc vat, thuc dan, thuc day
te sach » toc sach
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
tuc va » truc va, tuc xa, duc va
va cam » va cham, va cac, va cao

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 ty nang xa hoi. lieu va cam ((tuc va) or (thuc va)) ((kinh kien) OR (kinh dien)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. lieu va cam ((tuc va) OR (thuc va)) ((kinh kien) OR (kinh dien)) cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. lieu va cam ((tuc va) or (thuc va)) ((kinh kien) OR (kinh dien)) cau treo".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. lieu va cam ((tuc va) or (thuc va)) ((kinh kien) OR (kinh dien)) cau treo*.