Perhaps you should try some spelling variations:
sang khoai » hang khoa, dang khoi, san khoa
khoai lang » hoa lang, hoi lang, khoa dang
so sang » so sanh, so dang, so lang
lang ma » lang mai, lang man, lang ha
cac xuc » cam xuc, cac nuoc, chat xuc
tac dan » tac danh, cac dan, tac da
ma hoi » mai hoi, xa hoi, ma hoa
dan di » danh di, dan da, dan de
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sang khoai lang ma hoi. lieu va cac xuc tac dan di ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sang khoai lang ma hoi. lieu va cac xuc tac dan di ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: so sang khoai lang ma hoi. lieu va cac xuc tac dan di ((cua te) or (cua tu))*.