Perhaps you should try some spelling variations:
kham chua » kham pha
tho nang » thi nang, ho nang, cho nang
hang tai » hang va, dung tai
thu bang » thu ban, thu hang, chu bang
hanh van » thanh van, khanh van, hanh va
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
chua va » chuc va, chua may, chuan ha
ve kham » vu kham, va kham, ve cham
mai hoi » mai khoi, dai hoi, lai hoi
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: so sach ((tho nang) or (thu bang)) mai hoi. hieu ve kham chua va ((hanh van) or (hang tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((tho nang) OR (thu bang)) mai hoi. hieu ve kham chua va ((hanh van) OR (hang tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ((tho nang) or (thu bang)) mai hoi. hieu ve kham chua va ((hanh van) or (hang tai)) cua te*.