Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
ve triet » va trien, su triet
chat huu » pham huu
van chat » cao chat
hieu van » hieu va, thien van, lieu va
thu sach » thuat sach, thuoc sach, thu hoach
nang mai » nang ma, nang tai, lang mai
mai hoi » mai khoi, dai hoi, lai hoi
ty nang » ky nang, ty xang, ty hang
van anh » tuan anh, van minh
tu sach » su sach, te sach, tu cach
gi ve » gia ve, gi de, gi he

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) OR (thu sach)) ty nang mai hoi. hieu van chat huu ((van anh) or (van thanh)) gi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty nang mai hoi. hieu van chat huu ((van anh) OR (van thanh)) gi ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ty nang mai hoi. hieu van chat huu ((van anh) or (van thanh)) gi ve triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ty nang mai hoi. hieu van chat huu ((van anh) or (van thanh)) gi ve triet*.