Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky ((nang xa) OR (nang x)) hoi. hieu ve cam tuc va hanh hai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky ((nang xa) OR (nang x)) hoi. hieu ve cam tuc va hanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu can ky ((nang xa) OR (nang x)) hoi. hieu ve cam tuc va hanh hai cua tre*.