Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
qua cham » qua hai, qua cac, va cham
cuu tre » cua tre, cau tren, cau treo
nang xa » nang x, lang xa, nang ma
lang ha » long ha
di cuu » di cau, di cua, dinh cuu
dan di » danh di, dan da, dan de
va dan » ca dan, va dao, va dau
luc va » duc va, tuc va, loc va
su sac » su sach, su xac
su cac » tu cac, su cao, su can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) or (su cac)) ky ((nang xa) or (lang ha)) hoi. hieu qua cham luc va dan di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su cac)) ky ((nang xa) OR (lang ha)) hoi. hieu qua cham luc va dan di cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su cac)) ky ((nang xa) or (lang ha)) hoi. hieu qua cham luc va dan di cuu tre*.