Perhaps you should try some spelling variations:
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
hanh gi » hanh vi, danh gia, hanh noi
la tren » loai tren, dua tren, dat tren
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
tac va » tac da, tac xa, tuc va
gi la » gi lam, gia la, gio la

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 x)) hoi. hieu ve cam ((tac va) or (duc va)) hanh gi la tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (nang x)) hoi. hieu ve cam ((tac va) OR (duc va)) hanh gi la tren.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (nang x)) hoi. hieu ve cam ((tac va) or (duc va)) hanh gi la tren*.