Perhaps you should try some spelling variations:
thuoc sac » thuoc sach, thuoc dac, thuoc sai
cham cuc » cham cuu, pham cuc, pham chuc
hanh dai » hanh dao, vanh dai, thanh dat
hanh tai » thanh tai, hang tai, han tai
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cuc ban » cua ban, cac ban, cuu ban
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sac ky nang cao hoi. hieu ve cham cuc ban ((hanh dai) OR (hanh tai)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sac ky nang cao hoi. hieu ve cham cuc ban ((hanh dai) OR (hanh tai)) cua te".
• Adding a wildcard symbol may retrieve word variants: thuoc sac ky nang cao hoi. hieu ve cham cuc ban ((hanh dai) OR (hanh tai)) cua te*.