Perhaps you should try some spelling variations:
sach tai » sach bai, sach tham, sach xa
manh hoi » manh hai, manh ho, manh hon
sach dao » lanh dao
va manh » van manh, va danh, va hanh
chuc te » thuc te, chuc ke, chuc theo
lang xa » lang ha, dang xay, lang van
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach tai) OR (sach dao)) lang xa hoi. hieu ((ve cac) or (va cam)) tuc va manh hoi chuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tai) OR (sach dao)) lang xa hoi. hieu ((ve cac) OR (va cam)) tuc va manh hoi chuc te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tai) OR (sach dao)) lang xa hoi. hieu ((ve cac) or (va cam)) tuc va manh hoi chuc te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tai) OR (sach dao)) lang xa hoi. hieu ((ve cac) or (va cam)) tuc va manh hoi chuc te*.