Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
thi hanh » thi thanh
lam chay » lam chat, lam thay, lam cha
hanh lam » thanh lap, hanh kem, hanh va
hanh cam » hanh cham, hanh nam, hanh cac
lang ha » long ha
thuc va » thuc vat, thuc dan, thuc day
lang xa » dang xay, lang van
tu sach » thu sach, su sach, te sach
xuc va » duc va, tuc va, luc va

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 thieu ((lang xa) OR (lang ha)) hoi. thi hanh cam ((xuc va) or (thuc va)) hanh lam chay tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thieu ((lang xa) OR (lang ha)) hoi. thi hanh cam ((xuc va) OR (thuc va)) hanh lam chay tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thieu ((lang xa) OR (lang ha)) hoi. thi hanh cam ((xuc va) or (thuc va)) hanh lam chay tren".
• Adding a wildcard symbol may retrieve word variants: tu sach thieu ((lang xa) OR (lang ha)) hoi. thi hanh cam ((xuc va) or (thuc va)) hanh lam chay tren*.