Perhaps you should try some spelling variations:
tinh diem » tinh dien, dinh diem, tinh dieu
cham duc » pham duc, cham soc, pham duy
cau tren » dau tren, ca tren, cau treo
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va tinh » may tinh
cu tren » tu tren, dua tren
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan 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 san ky nang xa hoi. hieu va cham duc va tinh diem ((cau tren) OR (cu tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky nang xa hoi. hieu va cham duc va tinh diem ((cau tren) OR (cu tren))".
• Adding a wildcard symbol may retrieve word variants: tu san ky nang xa hoi. hieu va cham duc va tinh diem ((cau tren) OR (cu tren))*.