Perhaps you should try some spelling variations:
te sach » toc sach
thuc va » thuc vat, thuc dan, thuc day
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van
su tien » su kien, su hien, tu tieng
ve cam » ve cham, ve cac, va cam
y lang » o lang, _ lang, tay lang
dan du » dan dau, danh du, van du
dan su » dang su

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 y lang xa hoi. hieu ((ve cam) or (va cham)) thuc va ((dan du) OR (dan su)) su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu ((ve cam) OR (va cham)) thuc va ((dan du) OR (dan su)) su tien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. hieu ((ve cam) or (va cham)) thuc va ((dan du) OR (dan su)) su tien".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu ((ve cam) or (va cham)) thuc va ((dan du) OR (dan su)) su tien*.