Perhaps you should try some spelling variations:
chat nuoc » nhat nuoc, khat nuoc, thoat nuoc
trinh vat » trinh van, trinh luat, sinh vat
qua chat » qua nhat, qua cham, luan chat
tinh gia » danh gia
dang xay » dang van, van xay
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, lang van
cua su » qua su

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 ty ((lang xa) OR (dang xay)) hoi. hieu qua chat nuoc va ((tinh gia) or (trinh vat)) cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((lang xa) OR (dang xay)) hoi. hieu qua chat nuoc va ((tinh gia) OR (trinh vat)) cua su*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((lang xa) OR (dang xay)) hoi. hieu qua chat nuoc va ((tinh gia) or (trinh vat)) cua su*".