Perhaps you should try some spelling variations:
chat thuc » thuat thuc, nhan thuc, chat thai
hieu van » hieu va, thien van, lieu va
van chat » cao chat
va tinh » may tinh
thuc va » thuc vat, thuc dan, thuc day
nang xa » nang x, lang xa, nang ma
vu san » va san, vu ban
di cuu » di cua, dinh cuu
di cau » da cau, diem cau
vu sac » vu sach, va sac, vu cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sac) OR (vu san)) ky nang xa hoi. hieu van chat thuc va tinh ((di cuu) or (di cau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sac) OR (vu san)) ky nang xa hoi. hieu van chat thuc va tinh ((di cuu) OR (di cau)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sac) OR (vu san)) ky nang xa hoi. hieu van chat thuc va tinh ((di cuu) or (di cau)) tre*".