Perhaps you should try some spelling variations:
thang hai » thanh hai, hang hai, thong hai
van thang » van thanh, van khang, van hang
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duc van » duc va, duc tan, duc manh
hai cau » hai chau, hai chu, hai hau
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu ve pham duc van thang hai cau tren~.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu ve pham duc van thang hai cau tren*.