Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hoc van » hoc dan, hoc va, hoc vat
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
vu cham » va cham, tu cham, qua cham
san cau » van cau, ban cau, can cau
vu kham » vu khanh
soc van » oc van, sac van, soc dan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky dang xa hoi. hieu ((vu cham) OR (vu kham)) ((soc van) or (hoc van)) thanh san cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang xa hoi. hieu ((vu cham) OR (vu kham)) ((soc van) OR (hoc van)) thanh san cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang xa hoi. hieu ((vu cham) OR (vu kham)) ((soc van) or (hoc van)) thanh san cau treo".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. hieu ((vu cham) OR (vu kham)) ((soc van) or (hoc van)) thanh san cau treo*.