Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
thue va » thuc va, thuyet va, thuat va
cuc tre » duc tre, cua tre, cuu tre
y lang » o lang, _ lang, tay lang
va cam » va cham, va cac, va cao

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 va cam ((thue va) or (thuc vat)) nang tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu va cam ((thue va) OR (thuc vat)) nang tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu va cam ((thue va) or (thuc vat)) nang tai cuc tre*.