Perhaps you should try some spelling variations:
tai lang » tai cong, thi lan, tai san
manh hai » lanh hai, minh hai, thanh hai
sach tai » sach bai, sach tham, sach dao
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hai cua » thai cua, dai cua, hoi cua
thuc va » thuc vat, thuc dan, thuc day
va cam » va cham, va cac, va cao
tuc va » truc va, tuc xa, duc va
ve cac » va cac, vien cac
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 sach tai lang xa hoi. hieu ((ve cac) or (va cam)) ((tuc va) OR (thuc va)) manh hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tai lang xa hoi. hieu ((ve cac) OR (va cam)) ((tuc va) OR (thuc va)) manh hai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tai lang xa hoi. hieu ((ve cac) or (va cam)) ((tuc va) OR (thuc va)) manh hai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach tai lang xa hoi. hieu ((ve cac) or (va cam)) ((tuc va) OR (thuc va)) manh hai cua te*.