Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va tinh » may tinh
tinh di » tinh doi, trinh di, tinh da
vu san » va san, vu ban
tu can » tu ban, tu cac, thu canh
va cam » va cham, va cac, va cao
di cau » da cau, diem cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu san) or (tu can)) ky nang xa hoi. hieu va cam duc va tinh di cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu san) OR (tu can)) ky nang xa hoi. hieu va cam duc va tinh di cau tren.
• Adding a wildcard symbol may retrieve word variants: ((vu san) or (tu can)) ky nang xa hoi. hieu va cam duc va tinh di cau tren*.