Perhaps you should try some spelling variations:
dau tieng » dau tien, cau tieng, day tieng
ban thanh » ban hanh, ban hang
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
da nang » cam nang, kha nang, cao nang
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
di dau » doi dau, bi dau, di du

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (su sach)) da nang xa hoi. hieu ve ((pham duc) or (cam xuc)) ban thanh di dau tieng~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) da nang xa hoi. hieu ve ((pham duc) OR (cam xuc)) ban thanh di dau tieng.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) da nang xa hoi. hieu ve ((pham duc) or (cam xuc)) ban thanh di dau tieng*.