Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
cuu nang » chuc nang, cam nang, cao nang
te sach » toc sach
hang xa » hoang xa, hang va, hang ca
hieu va » lieu va, hieu qua
va cham » va chat, va tham
cuu ban » cua ban, cuu san, cuu nhan
y hang » ly hang, ty hang, yu hang
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: te sach y hang xa hoi. hieu va cham ((cuu ban) or (((cuu nang) OR (cuu van)))) thanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y hang xa hoi. hieu va cham ((cuu ban) OR (((cuu nang) OR (cuu van)))) thanh dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y hang xa hoi. hieu va cham ((cuu ban) or (((cuu nang) OR (cuu van)))) thanh dai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach y hang xa hoi. hieu va cham ((cuu ban) or (((cuu nang) OR (cuu van)))) thanh dai cua te*.