Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat lanh, thuat xay
loai cuu » loai cua, lai cua, loai cay
hieu va » lieu va, hieu qua
cac luc » cau luc, coc luc, cac nuoc
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
va dan » va dao, va dau, va dap
ca dan » cac dan, ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat san) OR (thuat song)) ty lang xa hoi. hieu va cac luc ((va dan) or (ca dan)) loai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat san) OR (thuat song)) ty lang xa hoi. hieu va cac luc ((va dan) OR (ca dan)) loai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat san) OR (thuat song)) ty lang xa hoi. hieu va cac luc ((va dan) or (ca dan)) loai cuu tre*".