Perhaps you should try some spelling variations:
sach tri » sach tai, sach tren, sach truc
te sach » toc sach
va hanh » van hanh, va thanh, ban hanh
nang xa » lang xa, nang ma, mang xa
va danh » va dinh, va dan, dia danh
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
va qua » va quan, va quy, va quang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tri ((nang xa) or (nang x)) hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va qua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tri ((nang xa) OR (nang x)) hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va qua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tri ((nang xa) or (nang x)) hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va qua su".
• Adding a wildcard symbol may retrieve word variants: te sach tri ((nang xa) or (nang x)) hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va qua su*.