Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
lang mai » lang dai, lang hai, lang man
ve cham » va cham, ve chat, vu cham
vai cua » dai cua, hai cua, lai cua
duc van » duc va, duc tan, duc manh
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
y lang » o lang, _ lang, tay lang
ve cam » ve cac, va cam, ve cai

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) or (thu sach)) y lang mai hoi. hieu ((ve cam) or (ve cham)) duc van thanh vai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) y lang mai hoi. hieu ((ve cam) OR (ve cham)) duc van thanh vai cua thuoc.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) y lang mai hoi. hieu ((ve cam) or (ve cham)) duc van thanh vai cua thuoc*.