Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, mang xa
va hanh » van hanh, va thanh, va danh
nang ma » tang ma, sang ma, nang cao
tu sac » tu sach, tu cac, tu san
ve cac » va cac, vien cac
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
ve cam » ve cham, va cam, ve cai
sac ky » cac ky, sai 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: tu sac ky ((nang xa) or (nang ma)) hoi. hieu ((ve cam) OR (ve cac)) luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (nang ma)) hoi. hieu ((ve cam) OR (ve cac)) luc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((nang xa) or (nang ma)) hoi. hieu ((ve cam) OR (ve cac)) luc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (nang ma)) hoi. hieu ((ve cam) OR (ve cac)) luc va hanh vi cua te*.