Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
duc manh » suc manh, duc anh, duc minh
hieu van » hieu va, thien van, lieu va
cuu tre » cua tre, cau tren, cau treo
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va
lang ha » long ha
lang xa » dang xay, lang van
sac ky » cac ky, sai ky
vi cuu » vi luu, vinh cuu
tu sac » tu sach, tu cac, tu san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((lang xa) OR (lang ha)) hoi. ((hieu ve) or (hieu van)) cam duc manh hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((lang xa) OR (lang ha)) hoi. ((hieu ve) OR (hieu van)) cam duc manh hanh vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((lang xa) OR (lang ha)) hoi. ((hieu ve) or (hieu van)) cam duc manh hanh vi cuu tre*".