Perhaps you should try some spelling variations:
hanh nham » hanh nam, hanh cham, hanh nha
nham phat » nha phat, phap phat, kham pha
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
tu cach » tu cac
tu sach » thu sach, su sach, te sach
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
van bac » van ban, van bao, van hac
xuc van » duc van, luc van, vuc van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (tu sach)) ky ((nang xa) or (lang xa)) hoi. hieu van bac xuc van hanh nham phat trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (tu sach)) ky ((nang xa) OR (lang xa)) hoi. hieu van bac xuc van hanh nham phat trien.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (tu sach)) ky ((nang xa) or (lang xa)) hoi. hieu van bac xuc van hanh nham phat trien*.