Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
toc sach » hoc sach, doc sach, thuoc sach
hang hai » hoang hai, hang tai, hang va
hieu van » hieu va, thien van, lieu va
cau tren » cu tren, dau tren, ca tren
van cam » van nam, van lam, van cau
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
lang xa » lang ha, dang xay, lang van
cuu tre » cua tre, cau treo
y lang » o lang, _ lang, tay lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y lang xa hoi. hieu van cam cuc ban ((hang hai) or (thanh hai)) ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y lang xa hoi. hieu van cam cuc ban ((hang hai) OR (thanh hai)) ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y lang xa hoi. hieu van cam cuc ban ((hang hai) or (thanh hai)) ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: toc sach y lang xa hoi. hieu van cam cuc ban ((hang hai) or (thanh hai)) ((cuu tre) OR (cau tren))*.