Perhaps you should try some spelling variations:
nuoc giang » ngoc giang, nguoi giang, nuoc giai
giang ky » giang day, giang gay, dang ky
thuc dan » thuc hanh, hoc dan, thuc vat
thuc van » thuc vat, thuc va, thuc hanh
hang vi » hang va, hanh vi, hang di
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
vi cua » vai cua, di cua
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc giang ky ((nang xa) or (lang xa)) hoi. hieu ve cau ((thuc van) OR (thuc dan)) hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc giang ky ((nang xa) OR (lang xa)) hoi. hieu ve cau ((thuc van) OR (thuc dan)) hang vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc giang ky ((nang xa) or (lang xa)) hoi. hieu ve cau ((thuc van) OR (thuc dan)) hang vi cua tre".
• Adding a wildcard symbol may retrieve word variants: nuoc giang ky ((nang xa) or (lang xa)) hoi. hieu ve cau ((thuc van) OR (thuc dan)) hang vi cua tre*.