Perhaps you should try some spelling variations:
thieu hanh » thien thanh, thien chanh, thieu khang
thanh dam » thanh dat, thanh nam, thanh tam
va triet » va thiet, va trien, ve triet
hanh dam » hanh lam, hanh nam, hang dam
tu sach » thu sach, su sach, te sach
hanh xa » hanh va, hanh ma, hanh xu
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
ve tai » te tai, de tai, le tai

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 thieu hanh xa hoi. hieu ((ve tai) or (ve cac)) tuc va ((hanh dam) OR (thanh dam)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thieu hanh xa hoi. hieu ((ve tai) OR (ve cac)) tuc va ((hanh dam) OR (thanh dam)) va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thieu hanh xa hoi. hieu ((ve tai) or (ve cac)) tuc va ((hanh dam) OR (thanh dam)) va triet".
• Adding a wildcard symbol may retrieve word variants: tu sach thieu hanh xa hoi. hieu ((ve tai) or (ve cac)) tuc va ((hanh dam) OR (thanh dam)) va triet*.