Perhaps you should try some spelling variations:
thuc ban » thuoc ban, thuc dan, thu ban
ban hanh » ban hang
te sach » toc sach
lang xa » lang ha, dang xay, lang van
ve cham » va cham, ve chat, vu cham
y lang » o lang, _ lang, tay lang
ve cam » ve cac, va cam, ve cai
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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 ((ve cam) or (ve cham)) thuc ban hanh ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu ((ve cam) OR (ve cham)) thuc ban hanh ((vi cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu ((ve cam) or (ve cham)) thuc ban hanh ((vi cua) or (di cua)) tre*.