Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
thuy san » thuat san, thuy anh
va thanh » gia thanh, ban thanh, va tinh
hai cua » thai cua, dai cua, hoi cua
cam tuc » cam xuc, cam tu, nam thuc
van cam » van nam, van lam, van cau
thu san » thu ban, phu san, thuat san
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
tuc va » thuc va, truc va, tuc xa
cua su » qua su

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) or (thuy san)) ky ((nang xa) OR (lang xa)) hoi. hieu van cam tuc va thanh hai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu san) OR (thuy san)) ky ((nang xa) OR (lang xa)) hoi. hieu van cam tuc va thanh hai cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu san) or (thuy san)) ky ((nang xa) OR (lang xa)) hoi. hieu van cam tuc va thanh hai cua su".
• Adding a wildcard symbol may retrieve word variants: ((thu san) or (thuy san)) ky ((nang xa) OR (lang xa)) hoi. hieu van cam tuc va thanh hai cua su*.