Perhaps you should try some spelling variations:
xa thanh » va thanh, ta thanh, gia thanh
ha thanh » va thanh, pham thanh, phan thanh
va trien » va truyen, va thiet, va tuyen
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
y lang » o lang, _ lang, tay lang
va cam » va cham, va cac, va cao
ket va » ket van

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 va cam tuc ((xa thanh) OR (ha thanh)) ket va trien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. hieu va cam tuc ((xa thanh) OR (ha thanh)) ket va trien".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu va cam tuc ((xa thanh) OR (ha thanh)) ket va trien*.