Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
thu san » thuy san, thu ban, phu san
cac dac » cac dan, cac dai, cac bac
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac nuoc
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
san ky » sang ky, van ky, dan ky
de cua » le cua, te cua, dieu cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu san ky ((nang xa) OR (lang xa)) hoi. hieu ve ((cac duc) or (cac dac)) va thanh de cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky ((nang xa) OR (lang xa)) hoi. hieu ve ((cac duc) OR (cac dac)) va thanh de cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ky ((nang xa) OR (lang xa)) hoi. hieu ve ((cac duc) or (cac dac)) va thanh de cua tu*".