Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
ban hanh » ban hang
thuc ban » thuoc ban, thuc dan, thu ban
nang xa » lang xa, nang ma, mang xa
hai cua » thai cua, dai cua, hoi cua
vu san » va san, vu ban
he nam » ha nam, nghe nam
le nam » ly nam, le na, te nam
san ky » sang ky, van ky, dan ky
cua te » cua tu

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 ky ((nang xa) OR (nang x)) hoi. hieu ((he nam) or (le nam)) thuc ban hanh hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky ((nang xa) OR (nang x)) hoi. hieu ((he nam) OR (le nam)) thuc ban hanh hai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu san ky ((nang xa) OR (nang x)) hoi. hieu ((he nam) or (le nam)) thuc ban hanh hai cua te".
• Adding a wildcard symbol may retrieve word variants: vu san ky ((nang xa) OR (nang x)) hoi. hieu ((he nam) or (le nam)) thuc ban hanh hai cua te*.