Perhaps you should try some spelling variations:
tan hanh » tan thanh, tang hanh, toan hanh
hanh mau » thanh mau, anh mau, hanh ma
va trien » va truyen, va thiet, va tuyen
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
ve cham » va cham, ve chat, vu cham
y lang » o lang, _ lang, tay lang
ve cac » va cac, vien cac
mau va » mau van, dau va, lau va

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 lang xa hoi. hieu ((ve cac) or (ve cham)) duc tan hanh mau va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. hieu ((ve cac) OR (ve cham)) duc tan hanh mau va trien.
• Adding a wildcard symbol may retrieve word variants: tu sach y lang xa hoi. hieu ((ve cac) or (ve cham)) duc tan hanh mau va trien*.